Wietse Venema via Postfix-users wrote in <4y2kjv2ymrzj...@spike.porcupine.org>: |braham--- via Postfix-users: |> Issue: I have a postfix cluster for outgoing mail. When the mail header |> or any line exceeds the line_length_limit then the email is broken. As |> per the doc, postfix breaks the line and reconstructs at the time of |> delivery, but this is not happening. Also, the breaking of line is done |> by two /r/n. That's why it breaks the mail in incoming, since /r/n/r/n |> is considered as the end of headers. | |First, you can't send SMTP messages with lines > 1000 including |the <CR><LF>. See https://datatracker.ietf.org/doc/html/rfc5321#section-\ |4.5.3.1.6 |You will have to fix yoru mail sending app to fold header lines and |split body lines. | |Second, your observation is incorrect. | |I just sent myself a message with | | To: wietse | Subject: [2081 bytes] | From: Wietse Venema <wietse> | | Body. | |And it arrived intact. This was submitted using "/usr/sbin/sendmail |-t <file", and it was delivered to the local mailbox in /var/spool/mail. | |I also sent that same message over SMTP. In this case, the Subject |line was split after 998 bytes, by inserting <CF><LF><SPACE>. This
This is a deficit of all the SMTP RFCs from the very start, in that an artificial <SPACE> has to be included here, one that cannot be reverted correctly. You would need RFC 2047 in order to do that. |DID NOT change the end of headers. | |I suspect that you were using /bin/mail or /usdr/bin/mailx or some |other tool that broke the header line before Postfix received the |message. --steffen | |Der Kragenbaer, The moon bear, |der holt sich munter he cheerfully and one by one |einen nach dem anderen runter wa.ks himself off |(By Robert Gernhardt) | |And in Fall, feel "The Dropbear Bard"s ball(s). | |The banded bear |without a care, |Banged on himself for e'er and e'er | |Farewell, dear collar bear _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
